Plot:27-year-old Daikichi (Ken'ichi Matsuyama) is a single young man who is trusted by his peers at work. Daikichi then attends his grandfather's funeral. At the funeral the attendees learn that Daikichi's grandfather bore an illegitimate daughter with an unknown mother. The girl's name is Rin (Mana Ashida) and she is just six years old. Everybody in Daikichi's family looks at the girl as an embarrassment and wants no part of her. Daikichi, annoyed by his family's attitude, decides to raise Rin by himself. Daikichi has no experience in raising a child. He soon learns the difficulties in raising a child as a single parent ...